Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

invalid-FSTMX-arm.txt
# RUN: llvm-mc --disassemble %s -triple=armv7 2>&1 | FileCheck %s -check-prefix=CHECK-WARN
# RUN: llvm-mc --disassemble %s -triple=armv7 2>&1 | FileCheck %s

# offset=1
# CHECK-WARN: potentially undefined
# CHECK-WARN: 0x01 0xdb 0x84 0xec
# CHECK: fstmiax r4, {d13}
0x01 0xdb 0x84 0xec